Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/8/2019
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 08/10/2019 02:06:00 69.01, 146.32 53.27 08/10/2019 02:07:09 68.89, 147.58 53.12 52.29 69
2 08/10/2019 02:56:31 -68.34, -45.47 127.42 08/10/2019 02:56:47 -68.34, -45.47 127.42 0.45 16
3 08/10/2019 03:47:15 68.21, 122.00 52.47 08/10/2019 03:46:14 68.23, 122.05 52.48 2.48 61
4 08/12/2019 18:22:43 68.39, -97.08 53.42 08/12/2019 18:23:45 68.42, -97.13 53.44 3.02 62
5 08/12/2019 19:13:25 -68.31, 70.34 126.66 08/12/2019 19:13:15 -68.31, 70.37 126.66 1.28 10
6 08/12/2019 20:04:00 67.70,-121.58 52.73 08/12/2019 20:02:50 67.75,-122.64 52.81 44.77 70
7 08/15/2019 10:39:38 68.37, 18.72 54.21 08/15/2019 10:40:14 68.38, 18.71 54.22 1.32 36
8 08/15/2019 11:30:20 -68.28,-173.84 125.87 08/15/2019 11:29:44 -68.27,-173.79 125.88 2.43 36
9 08/18/2019 02:05:59 -68.99, -33.65 124.31 08/18/2019 02:07:09 -68.84, -32.49 124.50 49.34 70
10 08/18/2019 02:56:33 68.34, 134.53 55.03 08/18/2019 02:56:43 68.33, 134.53 55.02 1.04 10
11 08/18/2019 03:47:14 -68.20, -57.97 125.11 08/18/2019 03:46:14 -68.17, -58.02 125.13 3.29 60
12 08/20/2019 18:22:44 -68.43, 82.88 124.02 08/20/2019 18:23:45 -68.40, 82.85 124.06 3.38 61
13 08/20/2019 19:13:27 68.27,-109.60 55.83 08/20/2019 19:13:12 68.28,-109.64 55.84 2.69 15
14 08/20/2019 20:04:00 -67.68, 58.44 124.76 08/20/2019 20:02:49 -67.79, 57.41 124.63 45.08 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/8/2019
SNOs_Map_NPP_TERRA_20190808.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/08/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service